Home / 20,441,889.40-28,210,143.56-11,149,459.49

Finding the Fourth Proportional to 20,441,889.40, 28,210,143.56 and 11,149,459.49

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Solution

The fourth proportional to 20,441,889.40, 28,210,143.56 and 11,149,459.49 is: 15,386,437.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,441,889.40 : 28,210,143.56 = 11,149,459.49 : x
  2. Step 2: Convert to fraction form
    20,441,889.40/28,210,143.56 = 11,149,459.49/x
  3. Step 3: Cross multiply
    20,441,889.40x = 28,210,143.56 × 11,149,459.49
  4. Step 4: Simplify right side
    20,441,889.40x = 314,527,852,632,506.38
  5. Step 5: Solve for x
    x = 314,527,852,632,506.38/20,441,889.40
  6. Step 6: Final answer
    x = 15,386,437.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.